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12 Checking the Lawn Mower and Battery
► Hold the handle (3) and switch lever (2) firmly with your
right hand so that your thumb is wrapped around the
handle (3).
11.2 Switching Off
► Release the switch lever.
► Wait for the blade to come to a standstill.
► If the blade continues to rotate: Remove the activation key
and battery, and contact your STIHL servicing dealer for
assistance.
There is a malfunction in the mower.
12.1 Checking the Controls
Lockout button and switch lever
► Remove the activation key.
► Remove the battery.
► Depress the lockout lever and release it again.
► Pull the switch lever fully in direction of handle and release
it again.
► If the lockout button or switch lever is stiff or does not
spring back to the idle position: Do not use your mower
and contact your STIHL servicing dealer for assistance.
There is a malfunction in the lockout button or switch
lever.
Switching on the mower
► Insert the activation key.
► Fit the battery.
► Depress the lockout button with your right hand and hold
it there.
► Pull the switch lever fully in direction of the handle with
your left hand and hold it so that your thumb is wrapped
around the handle.
The motor accelerates and the blade rotates.
► If 3 LEDs flash red: Remove the activation key and
battery, and contact your STIHL servicing dealer for
assistance.
There is a malfunction in the mower.
► Release the lockout button and switch lever.
The blade stops rotating after a brief delay.
► If the blade continues to rotate: Remove the activation key
and battery, and contact your STIHL servicing dealer for
assistance.
There is a malfunction in the mower.
12.2 Checking the Blade
► Switch off the mower, remove the activation key and
battery.
► Set the cutting height to position 6.
► Fold down the handle.
► Stand the mower on end.
► Measure the following:
– Thickness ‘a’
– Width ‘b’
– Sharpening angle ‘c’
► If the minimum thickness and minimum width are outside
the specified limits: Replace the blade, @ 21.2.
► If the filing angle is not correct: Sharpen the blade,
@ 21.2.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
12 Checking the Lawn Mower and Battery
c
b
a
0000-GXX-4792-A0
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